#645758 color

#645758 rgb(100, 87, 88)
Shades of gray

The hex color #645758 is a gray.

In the RGB color model it is made of 39.2% red, 34.1% green and 34.5% blue (100, 87, 88).

Its hue angle is 355°, with 7% saturation and 37% lightness. For print, the CMYK equivalent is 0% cyan, 13% magenta, 12% yellow and 61% black.

The closest named color is Pinot Noir (#605258), a difference of 3.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.89:1).

#645758 color codes

HEX#645758
RGBrgb(100, 87, 88)
RGB percentrgb(39.2%, 34.1%, 34.5%)
HSLhsl(355, 7%, 37%)
HSV / HSBhsv(355, 13%, 39%)
CMYKcmyk(0%, 13%, 12%, 61%)
CIE LABlab(38.25, 5.49, 1.37)
CIE LCHlch(38.25, 5.66, 14.03)
CIE XYZxyz(10.425, 10.231, 10.656)
Decimal6575960
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #645758, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #645758RatioAAAAAAA large
Sample text3.05:1FailFailPass
Sample text6.89:1PassFailPass
#645758 as text onRatioAAAAAAA large
Sample text6.89:1PassFailPass
Sample text3.05:1FailFailPass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #645758 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645758; }
.text { color: #645758; }
.border { border: 2px solid #645758; }
.transparent { background-color: rgb(100 87 88 / 50%); }
.gradient { background: linear-gradient(to right, #645758, #645d57); }
Background
Text color
Border

Similar colors

Closest common color name: Umber.

Questions

What color is #645758?
#645758 is a gray, closest to the named color Pinot Noir. It belongs to the gray family of colors.
What is the RGB value of #645758?
The RGB value is 100, 87, 88: 100 red, 87 green and 88 blue on a 0 to 255 scale.
What is the complementary color of #645758?
The complementary color is #576463, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645758?
White text. Black text has a contrast ratio of 3.05:1 and white text 6.89:1. WCAG asks for at least 4.5:1 for normal text.